NIOSH Pocket Guide to Chemical Hazards

2-Chloro-6-trichloromethyl pyridine

CAS 1929-82-4


RTECS US7525000
Synonyms & Trade Names
2-Chloro-6-(trichloro-methyl)pyridine; Nitrapyrin; N-serve®; 2,2,2,6-Tetrachloro-2-picoline
DOT ID & Guide


NIOSH REL: TWA 10 mg/m3 (total) ST 20 mg/m3 (total) TWA 5 mg/m3 (resp)
OSHA PEL: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
IDLH N.D. See: IDLH INDEX Conversion
Physical Description
Colorless or white, crystalline solid with a mild, sweet odor.
MW: 230.9
BP: ?
MLT: 145°F
Sol: Insoluble
VP(73°F): 0.003 mmHg
IP: ?

Sp.Gr: ?
Fl.P: ?
UEL: ?
LEL: ?

Combustible Solid [Explosive]
Incompatibilities & Reactivities
Aluminum, magnesium [Note: Emits oxides of nitrogen and chloride ion when heated to decomposition.]
Measurement Methods
None available
See: NMAM or OSHA Methods
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily

First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Important additional information about respirator selection
Respirator Recommendations Not available.
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms No adverse effects noted in ingestion studies with animals.
Target Organs Eyes, skin